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I suppose it all depends on the brand of disposable plastic tupperware container. I know that some are microwavable and heat resistant and some aren't.. if anyone knows some brand names they could help this person out with that'd be great.

I could never get them to work right, although I tried the larger square containers (4 cup I think).

When PC'd it would create a vacuum and suck in air and always end up contaming the substrate, I've had only one work out for me. They would deform really bad too and I had the same problem with the lids.

--------------------Alice came to a fork in the road. "Which road do I take?" she asked.
"Where do you want to go?" responded the Cheshire cat.
"I don't know," Alice answered.
"Then," said the cat, "it doesn't matter."
~Lewis Carroll, Alice in Wonderland

They won't melt in a PC if they are Polly propolene.look for a little triangle on the underside with a "PP" inside the triangle symbol.it's the same stuff spawnbags are made of.Ziplock and Glad both make PP containers...I use the Glad ones with blue lids.

--------------------Give a man a fire and he will be warm for the rest of the night.
Set a man on fire and he will be warm for the rest of his life.
NEWB NEWBIE NEWCOMER IGNORANT? QUESTIONS?Click HERE HERE HERE HERE For detailed instructions with pictures on how to grow mushrooms. There is a lot of info on the Shroomery and this is what you need to know.

> They would deform really bad too and I had the same problem with the lids.Maybe you should make a little hole in the lid and close it with cotton wool, so that there can form a pressure equilibrium but keeps contams out ?

Magash has a thread over in regular cultivation about pressure cooking in containers with a 5 in the triangle. It's been a while since I looked at it, but the point was to just cook, case, & grow in the same container.

AFOAF just picked up some 'dinner' sized ziplock containers since it's a tough season to find jars where he lives.

--------------------"A nation's hope of lasting peace cannot be firmly based upon any race in armaments but rather upon just relations and honest understanding with all other nations...

Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed... The cost of one modern heavy bomber is this: a modern brick school in more than 30 cities. We pay for a single fighter with a half million bushels of wheat. We pay for a single destroyer with new homes that could have housed more than 8,000 people..."

I just put the lid on top and after the pc is opened I close it.the blue lid ones don't deform when I use them.Use polyfill(fishtank filter fluff) instead of cotton,cotton can let contaminants in if it gets damp.The little containers make nice substitutes for petri dishes by the way.And after it's grown over you can inject thru the lid to make liquid innoculant.

--------------------Give a man a fire and he will be warm for the rest of the night.
Set a man on fire and he will be warm for the rest of his life.
NEWB NEWBIE NEWCOMER IGNORANT? QUESTIONS?Click HERE HERE HERE HERE For detailed instructions with pictures on how to grow mushrooms. There is a lot of info on the Shroomery and this is what you need to know.

> Use polyfill(fishtank filter fluff) instead of cotton,cotton can let contaminants in if it gets damp.Oh, yes polyfill was the word - I just could not remember it so I used cotton ...

> The little containers make nice substitutes for petri dishes by the way.And after it's grown over you can inject thru the lid to make liquid innoculant.Good idea. You could seal the little hole with high temperature silicone I guess ? Would that stick to the lid ?

I have used high temp silicone as inject sites on glad lids and frutopia bottles.
http://members15.clubphoto.com/peter627123/2058710/guest.phtml13 th pic down.
punch or burn a hole,scuff it up and put high temp automotive blue silicone on BOTH sides of the hole.Jab as needed
dab with alcohol before and after injection and once a month or so just to be safe.
you could inject or draw thru the polyfill too if you like.

--------------------Give a man a fire and he will be warm for the rest of the night.
Set a man on fire and he will be warm for the rest of his life.
NEWB NEWBIE NEWCOMER IGNORANT? QUESTIONS?Click HERE HERE HERE HERE For detailed instructions with pictures on how to grow mushrooms. There is a lot of info on the Shroomery and this is what you need to know.

Quote:ragadinks said:> Magash has a thread over in regular cultivation about pressure cooking in containers with a 5 in the triangle.Sounds good. Have you got the link to it by accident ?

It seems to have been deleted. I get

"We cannot proceed.

There was a problem looking up the post in our database.

Please use your back button to return to the previous page."

When I click a link for that thread.

--------------------"A nation's hope of lasting peace cannot be firmly based upon any race in armaments but rather upon just relations and honest understanding with all other nations...

Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed... The cost of one modern heavy bomber is this: a modern brick school in more than 30 cities. We pay for a single fighter with a half million bushels of wheat. We pay for a single destroyer with new homes that could have housed more than 8,000 people..."

--------------------"A nation's hope of lasting peace cannot be firmly based upon any race in armaments but rather upon just relations and honest understanding with all other nations...

Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed... The cost of one modern heavy bomber is this: a modern brick school in more than 30 cities. We pay for a single fighter with a half million bushels of wheat. We pay for a single destroyer with new homes that could have housed more than 8,000 people..."